<!DOCTYPE html>
<head>
  <title>Hello World!</title>
  <link href="helloworld.css" rel="stylesheet" type="text/css">
</head>
<body onLoad="initialize()">
  <div id="map_canvas"></div>
  <script src="http://maps.googleapis.com/maps/api/js?sensor=false"></script>
  <script src="helloworld.js"></script>
</body>
</html>